Over the last decade, WWF’s Earth Hour’s unique display of darkness has become a global phenomenon with hundreds of millions of individuals coming together each year. In 2016, a record-breaking 178 countries and some of world’s most famous buildings including Big Ben, Hong Kong’s skyline and the Sydney Harbour Bridge joined the global celebration. In the UK alone, over 6 million people took part, nearly 200 landmarks, along with thousands of schools, businesses and organisations.

Everyone be part of WWF’s Earth Hour on Saturday 25 March 2017. For more information and to sign up please visit: wwf.org.uk/2017earthhour